Walk Up Basements

We are in the process of building a new home. The lot we purchased does not allow for a walk out basement. The building stated we could get a walk up instead.
Is a walk up basement a disaster waiting to happen.
1. How effecient are the floor drains outside the basement door?
2. And what are some of the pitfalls I should be aware of?
3. If i go with the walk up, what type of drain do i need to have installed?